Best Enclosed Multi-Reticle Red Dot– OSight XR

Published on January 25, 2026
Duration: 12:33

This guide details the installation and zeroing process for the OSight XR enclosed micro reflex sight, a product reviewed by Moondog. It covers mounting the optic onto an RMR-cut slide and performing live-fire adjustments to achieve a proper zero. The guide also touches upon the unique integrated pop-up rear sights and potential co-witnessing challenges.

Quick Summary

The OSight XR is an enclosed emitter micro reflex sight offering a rechargeable battery with up to 54,000 hours of life and multiple reticle options (2/6 MOA dot, 32 MOA circle). Its enclosed design enhances reliability in adverse conditions, and it uses an RMR footprint.

Chapters

  1. 00:00Introduction to OSight XR
  2. 00:27Unboxing and Contents
  3. 00:46Enclosed Emitter Benefits
  4. 02:08Design and Footprint
  5. 02:43Controls and Battery Indicators
  6. 03:42Reticle Options
  7. 04:29Wireless Charging System
  8. 05:46Adjustment Tool and Pop-up Sights
  9. 06:51Range Testing and Co-witness
  10. 09:03Brightness and NV Settings
  11. 11:03Final Assessment

Frequently Asked Questions

What are the main advantages of the OSight XR's enclosed emitter design?

The OSight XR's enclosed emitter design protects the emitter and lens from environmental factors like rain, snow, and dirt. This ensures a clear and consistent reticle presentation, unlike open-emitter sights which can be obstructed by debris, enhancing reliability in adverse conditions.

What reticle options does the OSight XR offer?

The OSight XR provides users with flexibility by offering three reticle options: a precise 2 MOA dot for accuracy, a larger 6 MOA dot for faster target acquisition, and a 32 MOA circle for rapid engagement at close distances.

How is the OSight XR recharged, and what is its battery life?

The OSight XR features a unique magnetic charging cover that doubles as a power bank, recharging the optic via USB-C. It boasts an impressive battery life of up to 54,000 hours when using the 2 MOA dot setting.

What footprint does the OSight XR use, and what are the implications for mounting?

The OSight XR utilizes the common RMR footprint, making it compatible with many pistol slides already cut for this standard. However, users should be aware that factory iron sights may not co-witness effectively, potentially requiring taller aftermarket sights or reliance on the optic's integrated backup sights.

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